.
Subdomain 1.A.3
Map terminologies, vocabularies, and classification systems
nn,
Distinguish the ICD codes below, identifying them as [CD-9-CM or ICD- 10-CM or ICD-10-
PCS and then perform a mapping to its counterpart in the other classification. Provide an
explanation for the mapped code assignment.
Example: Chronic kidney disease in ICD-9 585.9 maps to N18.3 ICD-10 code—this is a one-to-
one match
Example: Closed fractured shaft of clavicle in ICD-9 810.02 maps to $42.021(A. D, G, K, P. or
$)—this is a one-to-many match
1. T50.0x6A
2. 86.59
3. ElL3
4. 91.44
5. 789.63
References
Centers for Medicare and Medicaid Services. 2015. General Equivalence Mappings Frequenily Asked
Questions. hups://www.cms.gov/medicare/codingyicd 10/downloads/gems-crosswalksbasicfaq.
pdf
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